Industry News

Acceptance methods and standards for indoor steel structure fireproof coating?

2024-04-26

Indoor steel structure fireproof coating acceptance method:

1. Indoor steel structure fireproof coating acceptance inspection method: detect the indoor steel structure fireproof coating varieties, color glue cracks and so on.

2.Indoor steel structure fireproof coating acceptance inspection method: detect the thickness of the coating with thickness measuring needle or caliper, use 0.75-1kg hammer to strike the coating lightly for its strength and drumming phenomenon, and use 1m straightedge to detect the straightness of indoor steel structure fireproof coating.

Acceptance standard of indoor steel structure fireproof coating:

1. The thickness of indoor steel structure fireproof coating shall meet the design requirements, if the thickness is lower than the original standard, it shall be greater than 85% of the original standard, and the length of the continuous area of the part with insufficient thickness shall not be greater than 1m, and similar situation shall not occur again in the range of 5m.

2. Indoor steel structure fireproofing coating shall be completely closed and shall not show bottom or leakage.

3. The indoor steel structure fireproof coating should not have cracks, and if there are individual cracks, their width should not be greater than 1mm.

4. The indoor steel structure fireproof coating should be firmly bonded between the coating and the steel substrate and between the coatings, and there should be no bulging, peeling and loosening.

5. The surface of indoor steel structure fireproofing coating shall be free of papillae, and the permissible deviation of busbar straightness and garden loss shall not be more than 8mm for the parts with appearance requirements.


We use cookies to offer you a better browsing experience, analyze site traffic and personalize content. By using this site, you agree to our use of cookies. Privacy Policy
Reject Accept